Red Bear OS — microkernel OS in Rust, based on Redox

Derivative of Redox OS (https://www.redox-os.org) adding:
- AMD GPU driver (amdgpu) via LinuxKPI compat layer
- ext4 filesystem support (ext4d scheme daemon)
- ACPI fixes for AMD bare metal (x2APIC, DMAR, IVRS, MCFG)
- Custom branding (hostname, os-release, boot identity)

Build system is full upstream Redox with RBOS overlay in local/.
Patches for kernel, base, and relibc are symlinked from local/patches/
and protected from make clean/distclean. Custom recipes live in
local/recipes/ with symlinks into the recipes/ search path.

Build:  make all CONFIG_NAME=redbear-full
Sync:   ./local/scripts/sync-upstream.sh

scripts/commit-hash.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+# This script shows the current Git commit hash of system recipes at recipes/core
+
+set -e
+
+# Check if recipes/core directory exists
+if [ ! -d "recipes/core" ]
+then
+    echo "Error: recipes/core directory not found"
+    exit 1
+fi
+
+# Iterate through all system recipes in recipes/core
+for recipe_dir in recipes/core/*/
+do
+    recipe_name=$(basename "$recipe_dir")
+    source_dir="$recipe_dir/source"
+    
+    # Check if source directory exists and is a git repository
+    if [ -d "$source_dir" ] && [ -d "$source_dir/.git" ]
+    then
+        # Get the commit hash
+        commit_hash=$(cd "$source_dir" && git rev-parse HEAD)
+        echo "$recipe_name: $commit_hash"
+    fi
+done